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CVE-2026-6866
CWE-1188 Initialization of a Resource with an Insecure Default vulnerability exists that could cause unauthorized disclosure of sensitive information when credentials revert to initial settings in rare circumstances, enabling unauthorized authentication using known credentials.
This record: live connection— last retrieved: 7 November 2026 at 21:02.
Vendor
Published
12 May 2026
Last modified
26 October 2026
Taken directly from NVD, CISA or the vendor — sometimes in English, unchanged from the source.
CWE-1188 Initialization of a Resource with an Insecure Default vulnerability exists that could cause unauthorized disclosure of sensitive information when credentials revert to initial settings in rare circumstances, enabling unauthorized authentication using known credentials.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
NETWORK
Privileges required
NONE
User interaction
NONE
Confidentiality
High
Integrity
None
Availability
None
Probability of exploitation within 30 days
0.3%
Percentile
22e
Source: FIRST.org, updated on 7 November 2026.
Version 002.006.000 of EcoStruxure Panel Server includes a fix for this vulnerability and is available for download here: • https://www.se.com/ww/en/download/document/PAS800_Fir mware_Package/ • Reboot needed: Yes
Our own interpretation and context for the source data above.
IACS Radar assessment
Our own interpretation and context for this vulnerability — not an official source.
IACS Radar priority score
Based on CVSS 7.5, EPSS 0.3%, industrial relevance 55/100.
Combines CVSS, EPSS, KEV status, industrial relevance and exposure relevance — a complement to, not a replacement for, the individual scores below and above.
Conditions for exploitation
Operational impact & energy relevance
Limited impact on availability; the risk lies mainly with confidentiality or integrity of process data.
Assessed as relevant to the energy sector based on: Vermeld in een officiële CISA ICS Advisory, wat directe relevantie voor industriële besturingssystemen bevestigt. Vendor "Schneider Electric" is a known supplier of equipment for the energy sector.
Recommended defensive measures
Industrial relevance score
Classification is provisional; manual verification by an OT security analyst is recommended.
Classified by IACS Radar-analysepijplijn (geautomatiseerd) on 7 November 2026.
IEC 62443 mapping
Automatic IACS Radar assessment based on the reported CWE weakness classification; not an official certification statement.